Custom OEM Stainless Steel Constant Variable Force Spring for Fire Damper 3m Cables

Custom OEM Stainless Steel Constant Variable Force Spring for Fire Damper 3m Cables. Custom OEM Service: Supports customization from samples, designs, and full customization for stainless steel springs. High Supply Capacity: Capable of supplying 3,000,000 pieces per week with a lead time of 6-10 days. Wide Application Range: Suitable for counterbalances, cable retractors, appliances, and industrial machine parts. Durable Material: Made from Stainless Steel 301 with an endurance limit of 100,000 cycles. Fast Sample Delivery: Samples available for approval within 7 days, free of charge if tools are available. Professional Manufacturer: Established in 2006 with 9 years of experience in spring manufacturing and quality control.